backend engineer ruby

Job description We are looking for a Senior Backend Software Engineer to join a team developing innovative cloud-based software solutions that support cutting-edge scientific and healthcare technologies. In this role, you will design and build scalable backend services, contribute to modern cloud architectures, and collaborate with cross-functional teams to...

We are looking for a Backend Systems Engineer to join our growing team. You will be responsible for designing, implementing, and scaling our infrastructure from early-stage to production-scale deployment. You will work in a close-knit team that spans engineering, UX, cognitive science, design, and operations, in our shared mission to invent, implement, and...

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate...

We're solving one of the largest problems in the physical world: housing that's too slow and too expensive to build. The $2 trillion construction industry runs on human expertise that doesn't scale - so we're building the AI that understands what to build and how to build it . We start with the costliest problems for general contractors - the...

Une entreprise de technologie en croissance à Québec recherche un Développeur Back-end (Java) Senior pour rejoindre une équipe d'experts. Vous collaborerez avec divers professionnels pour créer des services optimisés et performants. Le candidat idéal doit avoir au moins 5 ans d'expérience en Java, maîtriser les principes SOLID et être capable...

Shape the future of AI infrastructure with Nexxa as a Backend AI Engineer. Focus on designing robust backend services for Generative AI, Machine Learning, and Computer Vision applications. In this role, you will design and build backend systems crucial for integrating AI services within Nexxa's product environment. With 4-8+ years of backend software...

Drive backend innovations as a Backend Software Engineer focused on infrastructure systems. Embrace the challenge of working with Kubernetes and enhancing dynamic scaling solutions. This role merges backend development with platform engineering, emphasizing Infrastructure as Code and operational excellence. You'll collaborate in a team-oriented environment...

Overview Tucows is a remote-first backend engineering role for Canada, building open‑internet products across domains, Ting, and Wavelo. Responsibilities Design and develop secure, scalable, reliable, and efficient backend services using modern frameworks and tools. Collaborate with frontend developers to define clear and consistent API endpoints,...

This job is with Capco, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Shape the future of banking by modernizing enterprise platforms and building cloud-native solutions that deliver real business impact.The RoleWe're looking for aStaff Java...

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu. To learn more about our Hiring Range System, please click this link. Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like...

Join MatchBox Consulting Group as a Senior Backend Engineer for a 12-month contract in Vancouver. Bring your Java, Kotlin, and Spring Boot expertise to lead technical development efforts. This senior role focuses on delivering high-quality software within Agile environments while providing technical leadership and mentoring. You will design and maintain...

Shape the future of healthcare as a Backend Engineering Lead at Nimble. Focus on building essential web services and APIs that enhance pharmacy accessibility for patients.Nimble is dedicated to transforming healthcare access through state-of-the-art technology. As a Senior Backend Engineer, you will design scalable systems and lead projects while mentoring...

Job Title: Sr. Backend Engineer Location: Toronto, ON Work Arrangement: Hybrid (2-3days WFO) Employment Type: Contract Domain: BFSI Duration:6-12 months Hourly rate :-CAD 50-53/hour Application Deadline: Aug 30h, 2026 SKILLS REQUIRED Strong Experience with Infrastructure Operations (InfraOps) tools and practices, such as: oTerraform Cloud/Enterprise...

As an engineer at Brex, you will help develop new products from concept to launch, whether for a 5-person startup or a 5,000-person-strong enterprise. We’re looking for folks with an interest in building products and tools, and who are comfortable in dealing with lots of moving piecesYou’ll be building customer-facing products that will drive direct...

Top/Required Skills: Python, FastAPI, System Design, End-to-End Software Development, REST APIs, Component-Based Architecture, MCP Servers, Google ADK, LangChain, RAG (Retrieval-Augmented Generation), PySpark, PostgreSQL, Docker, CI/CD Pipelines, Agentic AI / GenAI, AI Backend Development. Looking for a hands-on Python AI Backend Engineer capable of building...

Secure Every Identity, from AI to Human. Identity is the key to unlocking the potential of AI. Okta secures AI by building a trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate...

Lead the charge in data innovation at Info360 as a Senior Data Engineer focusing on backend solutions for water management. Engage with large-scale data systems and drive performance. Your extensive experience in backend development will be pivotal in designing and launching cloud-native applications. In this role, you will tackle real-time data challenges...

Transform client challenges into innovative solutions at IBM Software as a Senior Software Engineer focused on back-end technologies. Design, test, and deliver cutting-edge software offerings in an Agile environment. In this senior role, you will develop component-level solutions and contribute to our CI/CD pipeline. Your experience in back-end development...

Stripe is seeking Backend Engineers to design, build, and maintain scalable bank integration infrastructure. You will work across the stack to connect banking partners, enable connectivity for new countries, and support various product use cases.In this role, you will collaborate with banks and product teams to deliver reliable access to banking data, mentor...

Join Lyft as a Backend Software Engineer on the Recommendations team, focusing on hybrid development and robust system design. Enhance real-time rider offers using diverse technologies. In this senior role, you will build backend systems that translate rider data into personalized offers. Collaborating with product and analytics teams, you will deliver...